// Copyright (c) 2018 Ultimaker B.V.
// Cura is released under the terms of the LGPLv3 or higher.

import QtQuick 2.4
import QtQuick.Controls 1.2
import QtQuick.Layouts 1.1
import QtQuick.Controls.Styles 1.1
import QtGraphicalEffects 1.0

import UM 1.0 as UM
import Cura 1.0 as Cura


Cura.ExpandableComponent
{
    id: base

    dragPreferencesNamePrefix: "view/colorscheme"

    contentHeaderTitle: catalog.i18nc("@label", "Color scheme")

    Connections
    {
        target: UM.Preferences
        onPreferenceChanged:
        {
            if (preference !== "view/only_show_top_layers" && preference !== "view/top_layer_count" && ! preference.match("layerview/"))
            {
                return;
            }

            layerTypeCombobox.currentIndex = UM.SimulationView.compatibilityMode ? 1 : UM.Preferences.getValue("layerview/layer_view_type")
            layerTypeCombobox.updateLegends(layerTypeCombobox.currentIndex)
            viewSettings.extruder_opacities = UM.Preferences.getValue("layerview/extruder_opacities").split("|")
            viewSettings.show_travel_moves = UM.Preferences.getValue("layerview/show_travel_moves")
            viewSettings.show_helpers = UM.Preferences.getValue("layerview/show_helpers")
            viewSettings.show_skin = UM.Preferences.getValue("layerview/show_skin")
            viewSettings.show_infill = UM.Preferences.getValue("layerview/show_infill")
            viewSettings.only_show_top_layers = UM.Preferences.getValue("view/only_show_top_layers")
            viewSettings.top_layer_count = UM.Preferences.getValue("view/top_layer_count")
        }
    }

    headerItem: Item
    {
        Label
        {
            id: colorSchemeLabel
            text: catalog.i18nc("@label", "Color scheme")
            verticalAlignment: Text.AlignVCenter
            height: parent.height
            elide: Text.ElideRight
            font: UM.Theme.getFont("medium")
            color: UM.Theme.getColor("text_medium")
            renderType: Text.NativeRendering
        }

        Label
        {
            text: layerTypeCombobox.currentText
            verticalAlignment: Text.AlignVCenter
            anchors
            {
                left: colorSchemeLabel.right
                leftMargin: UM.Theme.getSize("default_margin").width
                right: parent.right
            }
            height: parent.height
            elide: Text.ElideRight
            font: UM.Theme.getFont("medium")
            color: UM.Theme.getColor("text")
            renderType: Text.NativeRendering
        }
    }

    contentItem: Column
    {
        id: viewSettings

        property var extruder_opacities: UM.Preferences.getValue("layerview/extruder_opacities").split("|")
        property bool show_travel_moves: UM.Preferences.getValue("layerview/show_travel_moves")
        property bool show_helpers: UM.Preferences.getValue("layerview/show_helpers")
        property bool show_skin: UM.Preferences.getValue("layerview/show_skin")
        property bool show_infill: UM.Preferences.getValue("layerview/show_infill")

        // If we are in compatibility mode, we only show the "line type"
        property bool show_legend: UM.SimulationView.compatibilityMode ? true : UM.Preferences.getValue("layerview/layer_view_type") == 1
        property bool show_gradient: UM.SimulationView.compatibilityMode ? false : UM.Preferences.getValue("layerview/layer_view_type") == 2 || UM.Preferences.getValue("layerview/layer_view_type") == 3
        property bool show_feedrate_gradient: show_gradient && UM.Preferences.getValue("layerview/layer_view_type") == 2
        property bool show_thickness_gradient: show_gradient && UM.Preferences.getValue("layerview/layer_view_type") == 3
        property bool only_show_top_layers: UM.Preferences.getValue("view/only_show_top_layers")
        property int top_layer_count: UM.Preferences.getValue("view/top_layer_count")

        width: UM.Theme.getSize("layerview_menu_size").width - 2 * UM.Theme.getSize("default_margin").width
        height: implicitHeight

        spacing: UM.Theme.getSize("layerview_row_spacing").height

        ListModel  // matches SimulationView.py
        {
            id: layerViewTypes
        }

        Component.onCompleted:
        {
            layerViewTypes.append({
                text: catalog.i18nc("@label:listbox", "Material Color"),
                type_id: 0
            })
            layerViewTypes.append({
                text: catalog.i18nc("@label:listbox", "Line Type"),
                type_id: 1
            })
            layerViewTypes.append({
                text: catalog.i18nc("@label:listbox", "Feedrate"),
                type_id: 2
            })
            layerViewTypes.append({
                text: catalog.i18nc("@label:listbox", "Layer thickness"),
                type_id: 3  // these ids match the switching in the shader
            })
        }

        ComboBox
        {
            id: layerTypeCombobox
            width: parent.width
            model: layerViewTypes
            visible: !UM.SimulationView.compatibilityMode
            style: UM.Theme.styles.combobox

            onActivated:
            {
                UM.Preferences.setValue("layerview/layer_view_type", index);
            }

            Component.onCompleted:
            {
                currentIndex = UM.SimulationView.compatibilityMode ? 1 : UM.Preferences.getValue("layerview/layer_view_type");
                updateLegends(currentIndex);
            }

            function updateLegends(type_id)
            {
                // Update the visibility of the legends.
                viewSettings.show_legend = UM.SimulationView.compatibilityMode || (type_id == 1);
                viewSettings.show_gradient = !UM.SimulationView.compatibilityMode && (type_id == 2 || type_id == 3);
                viewSettings.show_feedrate_gradient = viewSettings.show_gradient && (type_id == 2);
                viewSettings.show_thickness_gradient = viewSettings.show_gradient && (type_id == 3);
            }
        }

        Label
        {
            id: compatibilityModeLabel
            text: catalog.i18nc("@label", "Compatibility Mode")
            font: UM.Theme.getFont("default")
            color: UM.Theme.getColor("text")
            visible: UM.SimulationView.compatibilityMode
            height: UM.Theme.getSize("layerview_row").height
            width: parent.width
            renderType: Text.NativeRendering
        }

        Item  // Spacer
        {
            height: UM.Theme.getSize("narrow_margin").width
            width: width
        }

        Repeater
        {
            model: CuraApplication.getExtrudersModel()

            CheckBox
            {
                id: extrudersModelCheckBox
                checked: viewSettings.extruder_opacities[index] > 0.5 || viewSettings.extruder_opacities[index] == undefined || viewSettings.extruder_opacities[index] == ""
                height: UM.Theme.getSize("layerview_row").height + UM.Theme.getSize("default_lining").height
                width: parent.width
                visible: !UM.SimulationView.compatibilityMode

                onClicked:
                {
                    viewSettings.extruder_opacities[index] = checked ? 1.0 : 0.0
                    UM.Preferences.setValue("layerview/extruder_opacities", viewSettings.extruder_opacities.join("|"));
                }

                style: UM.Theme.styles.checkbox


                UM.RecolorImage
                {
                    id: swatch
                    anchors.verticalCenter: parent.verticalCenter
                    anchors.right: extrudersModelCheckBox.right
                    width: UM.Theme.getSize("layerview_legend_size").width
                    height: UM.Theme.getSize("layerview_legend_size").height
                    source: UM.Theme.getIcon("extruder_button")
                    color: model.color
                }

                Label
                {
                    text: model.name
                    elide: Text.ElideRight
                    color: UM.Theme.getColor("setting_control_text")
                    font: UM.Theme.getFont("default")
                    anchors
                    {
                        verticalCenter: parent.verticalCenter
                        left: extrudersModelCheckBox.left
                        right: extrudersModelCheckBox.right
                        leftMargin: UM.Theme.getSize("checkbox").width + Math.round(UM.Theme.getSize("default_margin").width / 2)
                        rightMargin: UM.Theme.getSize("default_margin").width * 2
                    }
                    renderType: Text.NativeRendering
                }
            }
        }

        Repeater
        {
            model: ListModel
            {
                id: typesLegendModel
                Component.onCompleted:
                {
                    typesLegendModel.append({
                        label: catalog.i18nc("@label", "Travels"),
                        initialValue: viewSettings.show_travel_moves,
                        preference: "layerview/show_travel_moves",
                        colorId:  "layerview_move_combing"
                    });
                    typesLegendModel.append({
                        label: catalog.i18nc("@label", "Helpers"),
                        initialValue: viewSettings.show_helpers,
                        preference: "layerview/show_helpers",
                        colorId:  "layerview_support"
                    });
                    typesLegendModel.append({
                        label: catalog.i18nc("@label", "Shell"),
                        initialValue: viewSettings.show_skin,
                        preference: "layerview/show_skin",
                        colorId:  "layerview_inset_0"
                    });
                    typesLegendModel.append({
                        label: catalog.i18nc("@label", "Infill"),
                        initialValue: viewSettings.show_infill,
                        preference: "layerview/show_infill",
                        colorId:  "layerview_infill"
                    });
                }
            }

            CheckBox
            {
                id: legendModelCheckBox
                checked: model.initialValue
                onClicked: UM.Preferences.setValue(model.preference, checked)
                height: UM.Theme.getSize("layerview_row").height + UM.Theme.getSize("default_lining").height
                width: parent.width

                style: UM.Theme.styles.checkbox

                Rectangle
                {
                    anchors.verticalCenter: parent.verticalCenter
                    anchors.right: legendModelCheckBox.right
                    width: UM.Theme.getSize("layerview_legend_size").width
                    height: UM.Theme.getSize("layerview_legend_size").height
                    color: UM.Theme.getColor(model.colorId)
                    border.width: UM.Theme.getSize("default_lining").width
                    border.color: UM.Theme.getColor("lining")
                    visible: viewSettings.show_legend
                }

                Label
                {
                    text: label
                    font: UM.Theme.getFont("default")
                    elide: Text.ElideRight
                    renderType: Text.NativeRendering
                    color: UM.Theme.getColor("setting_control_text")
                    anchors.verticalCenter: parent.verticalCenter
                    anchors.left: legendModelCheckBox.left
                    anchors.right: legendModelCheckBox.right
                    anchors.leftMargin: UM.Theme.getSize("checkbox").width + Math.round(UM.Theme.getSize("default_margin").width / 2)
                    anchors.rightMargin: UM.Theme.getSize("default_margin").width * 2
                }
            }
        }

        CheckBox
        {
            checked: viewSettings.only_show_top_layers
            onClicked: UM.Preferences.setValue("view/only_show_top_layers", checked ? 1.0 : 0.0)
            text: catalog.i18nc("@label", "Only Show Top Layers")
            visible: UM.SimulationView.compatibilityMode
            style: UM.Theme.styles.checkbox
            width: parent.width
        }

        CheckBox
        {
            checked: viewSettings.top_layer_count == 5
            onClicked: UM.Preferences.setValue("view/top_layer_count", checked ? 5 : 1)
            text: catalog.i18nc("@label", "Show 5 Detailed Layers On Top")
            width: parent.width
            visible: UM.SimulationView.compatibilityMode
            style: UM.Theme.styles.checkbox
        }

        Repeater
        {
            model: ListModel
            {
                id: typesLegendModelNoCheck
                Component.onCompleted:
                {
                    typesLegendModelNoCheck.append({
                        label: catalog.i18nc("@label", "Top / Bottom"),
                        colorId: "layerview_skin",
                    });
                    typesLegendModelNoCheck.append({
                        label: catalog.i18nc("@label", "Inner Wall"),
                        colorId: "layerview_inset_x",
                    });
                }
            }

            Label
            {
                text: label
                visible: viewSettings.show_legend
                id: typesLegendModelLabel

                height: UM.Theme.getSize("layerview_row").height + UM.Theme.getSize("default_lining").height
                width: parent.width
                color: UM.Theme.getColor("setting_control_text")
                font: UM.Theme.getFont("default")
                renderType: Text.NativeRendering
                Rectangle
                {
                    anchors.verticalCenter: parent.verticalCenter
                    anchors.right: typesLegendModelLabel.right

                    width: UM.Theme.getSize("layerview_legend_size").width
                    height: UM.Theme.getSize("layerview_legend_size").height

                    color: UM.Theme.getColor(model.colorId)

                    border.width: UM.Theme.getSize("default_lining").width
                    border.color: UM.Theme.getColor("lining")
                }
            }
        }

        // Text for the minimum, maximum and units for the feedrates and layer thickness
        Item
        {
            id: gradientLegend
            visible: viewSettings.show_gradient
            width: parent.width
            height: UM.Theme.getSize("layerview_row").height

            Label //Minimum value.
            {
                text:
                {
                    if (UM.SimulationView.layerActivity && CuraApplication.platformActivity)
                    {
                        // Feedrate selected
                        if (UM.Preferences.getValue("layerview/layer_view_type") == 2)
                        {
                            return parseFloat(UM.SimulationView.getMinFeedrate()).toFixed(2)
                        }
                        // Layer thickness selected
                        if (UM.Preferences.getValue("layerview/layer_view_type") == 3)
                        {
                            return parseFloat(UM.SimulationView.getMinThickness()).toFixed(2)
                        }
                    }
                    return catalog.i18nc("@label","min")
                }
                anchors.left: parent.left
                color: UM.Theme.getColor("setting_control_text")
                font: UM.Theme.getFont("default")
                renderType: Text.NativeRendering
            }

            Label //Unit in the middle.
            {
                text:
                {
                    if (UM.SimulationView.layerActivity && CuraApplication.platformActivity)
                    {
                        // Feedrate selected
                        if (UM.Preferences.getValue("layerview/layer_view_type") == 2)
                        {
                            return "mm/s"
                        }
                        // Layer thickness selected
                        if (UM.Preferences.getValue("layerview/layer_view_type") == 3)
                        {
                            return "mm"
                        }
                    }
                    return ""
                }

                anchors.horizontalCenter: parent.horizontalCenter
                color: UM.Theme.getColor("setting_control_text")
                font: UM.Theme.getFont("default")
            }

            Label //Maximum value.
            {
                text: {
                    if (UM.SimulationView.layerActivity && CuraApplication.platformActivity)
                    {
                        // Feedrate selected
                        if (UM.Preferences.getValue("layerview/layer_view_type") == 2)
                        {
                            return parseFloat(UM.SimulationView.getMaxFeedrate()).toFixed(2)
                        }
                        // Layer thickness selected
                        if (UM.Preferences.getValue("layerview/layer_view_type") == 3)
                        {
                            return parseFloat(UM.SimulationView.getMaxThickness()).toFixed(2)
                        }
                    }
                    return catalog.i18nc("@label","max")
                }

                anchors.right: parent.right
                color: UM.Theme.getColor("setting_control_text")
                font: UM.Theme.getFont("default")
            }
        }

        // Gradient colors for feedrate
        Rectangle
        {
            id: feedrateGradient
            visible: viewSettings.show_feedrate_gradient
            anchors.left: parent.left
            anchors.right: parent.right
            height: Math.round(UM.Theme.getSize("layerview_row").height * 1.5)
            border.width: UM.Theme.getSize("default_lining").width
            border.color: UM.Theme.getColor("lining")

            LinearGradient
            {
                anchors
                {
                    left: parent.left
                    leftMargin: UM.Theme.getSize("default_lining").width
                    right: parent.right
                    rightMargin: UM.Theme.getSize("default_lining").width
                    top: parent.top
                    topMargin: UM.Theme.getSize("default_lining").width
                    bottom: parent.bottom
                    bottomMargin: UM.Theme.getSize("default_lining").width
                }
                start: Qt.point(0, 0)
                end: Qt.point(parent.width, 0)
                gradient: Gradient
                {
                    GradientStop
                    {
                        position: 0.000
                        color: Qt.rgba(0, 0, 1, 1)
                    }
                    GradientStop
                    {
                        position: 0.25
                        color: Qt.rgba(0.25, 1, 0, 1)
                    }
                    GradientStop
                    {
                        position: 0.375
                        color: Qt.rgba(0.375, 0.5, 0, 1)
                    }
                    GradientStop
                    {
                        position: 1.0
                        color: Qt.rgba(1, 0.5, 0, 1)
                    }
                }
            }
        }

        // Gradient colors for layer thickness (similar to parula colormap)
        Rectangle
        {
            id: thicknessGradient
            visible: viewSettings.show_thickness_gradient
            anchors.left: parent.left
            anchors.right: parent.right
            height: Math.round(UM.Theme.getSize("layerview_row").height * 1.5)
            border.width: UM.Theme.getSize("default_lining").width
            border.color: UM.Theme.getColor("lining")

            LinearGradient
            {
                anchors
                {
                    left: parent.left
                    leftMargin: UM.Theme.getSize("default_lining").width
                    right: parent.right
                    rightMargin: UM.Theme.getSize("default_lining").width
                    top: parent.top
                    topMargin: UM.Theme.getSize("default_lining").width
                    bottom: parent.bottom
                    bottomMargin: UM.Theme.getSize("default_lining").width
                }
                start: Qt.point(0, 0)
                end: Qt.point(parent.width, 0)
                gradient: Gradient
                {
                    GradientStop
                    {
                        position: 0.000
                        color: Qt.rgba(0, 0, 0.5, 1)
                    }
                    GradientStop
                    {
                        position: 0.25
                        color: Qt.rgba(0, 0.375, 0.75, 1)
                    }
                    GradientStop
                    {
                        position: 0.5
                        color: Qt.rgba(0, 0.75, 0.5, 1)
                    }
                    GradientStop
                    {
                        position: 0.75
                        color: Qt.rgba(1, 0.75, 0.25, 1)
                    }
                    GradientStop
                    {
                        position: 1.0
                        color: Qt.rgba(1, 1, 0, 1)
                    }
                }
            }
        }
    }

    FontMetrics
    {
        id: fontMetrics
        font: UM.Theme.getFont("default")
    }
}